Automating root cause analysis at scale: Multi-signal correlation for cloud native incident responseSantosh Balaranganathan and colleagues at Atlassian describe their automated root cause analysis system that treats incident diagnosis as a correlation problem across three dimensions: signal type (metrics, logs, traces), time, and service topology. The pipeline scopes the search using OpenTelemetry-derived dependency graphs, detects anomalies independently per signal, temporally aligns co-occurring anomalies into bundles, traverses the graph to determine causal direction, and emits ranked hypotheses with human-readable narratives so responders can validate and act quickly.
- Sequence fingerprinting collapses repeated fault patterns (the same upstream timeout replaying every few seconds) into a single bundle with a replay count, preventing dozens of identical hypotheses from obscuring the signal.
- The team found statistical methods (MAD, percentile bands) work well enough for metrics anomaly detection and are far easier to debug than ML models; they reserve ML for log clustering and trace structural analysis.
- The system is being extended with LLM-based orchestration to make RCA iterative—an agent can request additional telemetry, refine hypotheses, and adapt its investigation strategy across multiple steps rather than running one-shot.
- A shared incident context anchors all signals, hypotheses, and actions per incident, feeding both a faulty-service pager that pages the right team early and an LLM-powered copilot that recommends mitigations (rollbacks, feature flag disablement) grounded in the actual diagnosis.
- Sequence fingerprinting collapses repeated fault patterns (the same upstream timeout replaying every few seconds) into a single bundle with a replay count, preventing dozens of identical hypotheses from obscuring the signal.
- The team found statistical methods (MAD, percentile bands) work well enough for metrics anomaly detection and are far easier to debug than ML models; they reserve ML for log clustering and trace structural analysis.
- The system is being extended with LLM-based orchestration to make RCA iterative—an agent can request additional telemetry, refine hypotheses, and adapt its investigation strategy across multiple steps rather than running one-shot.
- A shared incident context anchors all signals, hypotheses, and actions per incident, feeding both a faulty-service pager that pages the right team early and an LLM-powered copilot that recommends mitigations (rollbacks, feature flag disablement) grounded in the actual diagnosis.
InfoQ writes:
>"Atlassian has outlined a new approach to automating root cause analysis for large-scale cloud-native incidents, using correlation across metrics, logs, distributed traces, and service topology to generate ranked hypotheses about where failures originate and how they propagate"
>"Atlassian has outlined a new approach to automating root cause analysis for large-scale cloud-native incidents, using correlation across metrics, logs, distributed traces, and service topology to generate ranked hypotheses about where failures originate and how they propagate"
Publication list for Leigh Klotz from 1982 to 1994, featuring work on digital document storage and user interfaces.
Becquerel is a Python package for analyzing nuclear spectroscopic measurements, offering tools to read/write spectrum files, fit spectral features, perform detector calibrations, and interpret results. It relies on numpy, scipy, matplotlib, and pandas for data analysis and visualization. The package is designed for both educational and research use, supporting a wide range of users from undergraduates to advanced researchers.
- Developed by Lawrence Berkeley National Laboratory
- Supports spectrum file formats like N42, CHN, and CSV
- Includes tools for radiation spectrum plotting and nuclear data access
- Developed by Lawrence Berkeley National Laboratory
- Supports spectrum file formats like N42, CHN, and CSV
- Includes tools for radiation spectrum plotting and nuclear data access
@omarsar0 writes on X that the fastest path to genuinely understanding agent harnesses is to build one from scratch in TypeScript or Python, starting with a minimal ReAct implementation prompted from Google's original paper, targeting three clean components—an LLM inference module (multi-model, OpenRouter-backed, with separable system prompt), an MCP tools module for interoperability, and a simple agent loop that ties them together—then logging every input/output at each boundary and iterating against a small set of diverse test tasks so each change is inspectable. The punchline: skip the framework first, because only once you've felt the loop, the tokens, and the tool calls in your own code do the "next steps"—memory, skills, subagents—stop being black boxes you configure and become modules you actually know how to tune.
- LLM module: wraps inference across multiple frontier models via OpenRouter; system prompt either embedded or isolated for context-engineering experiments
- Tools module: implement as MCP (Model Context Protocol) tools for cross-harness interoperability, or as bespoke functions if experienced
- Agent loop: ReAct pattern (alternating reasoning traces and action calls) encapsulating both LLM and tools; exit conditions handled via system-prompt instructions (non-deterministic), code-level checks (deterministic), or both
- Logging strategy: capture loop in/out, every LLM call in/out, and every tool-call in/out; run a fixed diverse task suite after each modification
- Scaling path: keep architecture modular so memory, skills, and subagent orchestration can be bolted on once the core loop is understood
- Shortcut alternatives (if not building from scratch): Pi SDK or LangChain harness tooling
- LLM module: wraps inference across multiple frontier models via OpenRouter; system prompt either embedded or isolated for context-engineering experiments
- Tools module: implement as MCP (Model Context Protocol) tools for cross-harness interoperability, or as bespoke functions if experienced
- Agent loop: ReAct pattern (alternating reasoning traces and action calls) encapsulating both LLM and tools; exit conditions handled via system-prompt instructions (non-deterministic), code-level checks (deterministic), or both
- Logging strategy: capture loop in/out, every LLM call in/out, and every tool-call in/out; run a fixed diverse task suite after each modification
- Scaling path: keep architecture modular so memory, skills, and subagent orchestration can be bolted on once the core loop is understood
- Shortcut alternatives (if not building from scratch): Pi SDK or LangChain harness tooling
Tyler August writes that CircuitPython has been enhanced with precompiled functions to boost performance. This new feature, developed by Mikey Sklar with help from Anthropic's Claude LLM, allows users to compile critical sections of code for faster execution, up to 70x speed improvements. The update enables 'native' mode for a 3X speed boost and 'viper' mode for significantly higher performance, similar to MicroPython's Viper compiler. While CircuitPython still lacks inline assembly, it's closer to the capabilities of MicroPython now. The article also notes the versatility of Python in microcontroller projects, ranging from e-bikes to music players.
- Enhances performance by allowing precompiled code execution
- Developed by Mikey Sklar with assistance from Anthropic's Claude LLM
- 'Native' mode offers 3X speed boost, 'Viper' mode up to 70X
- Still lacks inline assembly, but closer to MicroPython capabilities
- Python's versatility in microcontroller projects highlighted
- Enhances performance by allowing precompiled code execution
- Developed by Mikey Sklar with assistance from Anthropic's Claude LLM
- 'Native' mode offers 3X speed boost, 'Viper' mode up to 70X
- Still lacks inline assembly, but closer to MicroPython capabilities
- Python's versatility in microcontroller projects highlighted
Abhijith N Arjunan writes that Qwen Code is an open-source AI coding agent that effectively replaces Claude Code, offering better flexibility and being completely free to use. The tool allows users to connect with almost every AI provider, including local AI tools, and can be configured with various models like DeepSeek or OpenRouter. Setup is straightforward, and the tool supports features like subagents, hooks, skills, and sandbox environments. While Qwen Code may not yet match the stability of Claude Code in some areas, it provides greater freedom and is continuously updated.
Ty Sherback writes that old GPUs, once repurposed from gaming to headless home servers, can excel in tasks like local AI inference and media transcoding. Despite falling behind in gaming benchmarks, GPUs like the RTX 3080 offer high memory bandwidth (760GB/s) suitable for running large language models (LLMs) such as Gemma 4 12B and Qwen3 14B. Services like Immich and Jellyfin also benefit from GPU acceleration for tasks like facial recognition and video encoding. Proper configuration, such as using the NVIDIA persistence daemon and adjusting power limits, enhances performance and efficiency for non-gaming workloads.
Milan Minsky writes that Leela AI transforms standard factory and warehouse cameras into smart sensors, offering an alternative to traditional IoT sensors by leveraging existing video feeds instead of physical hardware. The platform provides contextual visibility into operations, identifies bottlenecks, and tracks interactions between machines, operators, and materials without requiring retrofitting. It complements IoT systems by integrating with platforms like Velotic ThingWorx and AVEVA to create a comprehensive digital twin of manufacturing floors. The core technology utilizes MIT research-based AI, combining causal and neural networks for efficient data processing.
Dan Russell writes about the power of AI-augmented search to retrieve hard-to-find information, using an example of finding a study on how the gender of lab assistants affects experimental outcomes on lab mice. He demonstrates how a simple query with AI can yield relevant results, leading to original source papers. The study highlights the impact of experimenter gender on reproducibility in scientific research.
